Best opt in forms plugins for WordPress
The most popular opt in forms plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Mailmunch Forms for Mailchimp leads with 10K+ active installs, ahead of ActiveDEMAND (1K+). All 2 plugins tagged “opt in forms” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
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Top 2 opt in forms plugins
- 1.
Mailmunch Forms for MailchimpThe most installed opt in forms plugin, with 10K+ active installs. Rated 4.6 from 372 reviews, updated 3 weeks ago.
- 2.
ActiveDEMAND1K+ active installs. Rated 5.0 from 6 reviews, last updated 1 year ago. Tested only up to WordPress 6.8.12.
All 2 plugins tagged “opt in forms”

Mailmunch Forms for Mailchimp
Up in the last 7 days:6#1,549by mailmunch25 days ago
The easiest way to convert your site visitors into email subscribers.
- Installs
- 10K+
- Rating
- 4.6(372)
- Downloads
- 138/day

ActiveDEMAND
Up in the last 7 days:14#6,255by ActiveDEMAND Online Agency Marketing Automation1 year ago
ActiveDEMAND, the easy way to add Web Forms, Dynamic Content, and Popups to your WordPress site.
- Installs
- 1K+
- Rating
- 5.0(6)
- Downloads
- 22/day